TPIC83000IPWRQ1 datasheet(17/44 Pages) TI

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TPIC83000-Q1

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SLDS171 – NOVEMBER 2009

Second Frame

PSNID[1:0]

Bits 7-6

Position ID of device on UART bus. Each device process information for one sensor. Four sensors can be

sensed on the UART bus. Position settings are defined in the EEPROM map.

Position 0

Position 1

Position 2

Position 3

WORDID

Bit 5

Frame ID of byte. 0 indicates frame 2 of 2.

Bit 4

Not used. Set to 0.

RQADCTMP

Bit 3

Microcontroller request for 12-bit temperature data from device.

Do not send data in following data frames

Send data in following data frames

RQADCDAT

Bit 2

Microcontroller request for 14-bit pressure data from device.

Do not send data in following data frames

Send data in following data frames

RQTEMP

Bit 1

Microcontroller request for 10-bit temperature data from device.

Do not send data in following data frames

Send data in following data frames

RQDATA

Bit 0

Microcontroller request for 10-bit pressure data from device.

Do not send data in following data frames

Send data in following data frames

Figure 7. Data Request Command Frames

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